Home / 133,163.64-183,757.68-72,722.04

Finding the Fourth Proportional to 133,163.64, 183,757.68 and 72,722.04

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Solution

The fourth proportional to 133,163.64, 183,757.68 and 72,722.04 is: 100,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,163.64 : 183,757.68 = 72,722.04 : x
  2. Step 2: Convert to fraction form
    133,163.64/183,757.68 = 72,722.04/x
  3. Step 3: Cross multiply
    133,163.64x = 183,757.68 × 72,722.04
  4. Step 4: Simplify right side
    133,163.64x = 13,363,233,355.27
  5. Step 5: Solve for x
    x = 13,363,233,355.27/133,163.64
  6. Step 6: Final answer
    x = 100,351.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.